1W isolated DC-DC converter with Fixed Input Voltage and Unregulated Single Output
Description
B0505MT-1WR4 are specially designed for applications where an isolated voltage is required in a distributed power supply system and especially suitable in applications such as digital circuits,low frequency analog circuits,relay-driven circuits and data switching circuits.
FEATURES
Specifications
| Selection Guide | ||||||
|
Certification |
Part No. |
Input Voltage (VDC) | Output |
Full Load Efficiency (%) Min./Typ. |
Capacitive Load(µF) Max. | |
| Nominal (Range) | Voltage (VDC) | Current(mA) Max./Min. | ||||
| UL/EN/IEC | B0505MT-1WR4 |
5 (4.5-5.5) |
5 | 200/20 | 81/85 | 2400 |
| Input Specifications | |||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit |
|
Input Current (full load / no-load) |
5VDC input | -- | 235/7 | 247/15 | mA |
| Reflected Ripple Current* | -- | 10 | -- | mA | |
| Surge Voltage (1sec. max.) | 5VDC input | -0.7 | -- | 9 | VDC |
| Input Filter | Capacitance filter | ||||
| Hot Plug | Unavailable | ||||
| Note: * Please refer to DC-DC Converter Application Note for detailed description of reflected ripple current testing method. | |||||
| Output Specifications | |||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit |
| Voltage Accuracy | See output regulation curve (Fig. 1) | ||||
| Linear Regulation | Input voltage change: ±1% | -- | -- | 1.2 | -- |
| Load Regulation | 10%-100% load | -- | 8 | 15 | % |
| Ripple & Noise* | 20MHz bandwidth | -- | 30 | 75 | mVp-p |
| Temperature Coefficient | Full load | -- | ±0.02 | -- | %/℃ |
| Short-circuit Protection | Continuous, self-recovery | ||||
| Note: * The “parallel cable” method is used for ripple and noise test, please refer to DC-DC Converter Application Notes for specific information. | |||||
| General Specifications | |||||
| Item | Operating Conditions | Min. | Typ. | Max. | Unit |
|
Isolation |
Input-output electric strength test for 1 minute with a leakage current of 1mA max. | 3000 | -- | -- | VDC |
| 1500 | -- | -- | VAC | ||
| Insulation Resistance | Input-output resistance at 500VDC | 1000 | -- | -- | MΩ |
| Isolation Capacitance | Input-output capacitance at 100kHz/0.1V | -- | 8 | -- | pF |
| Operating Temperature | Derating when operating temperature≥105℃, (see Fig. 2) | -40 | -- | 125 | ℃ |
| Mechanical Specifications | |
| Case Material | Black epoxy resin; flame-retardant and heat-resistant (UL94 V-0) |
| Dimensions | 9.00 x 7.00 x 3.10 mm |
| Weight | 0.5(Typ.) |
| Cooling Method | Free air convection |
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